Table 4.
Resistance markers detected by BCID2 and in-house PCR and correlation to bacterial phenotype.
| Phenotype according to VITEK 2 and conventional susceptibility testing | Identification of resistance markers according to BCID2 | Identification of resistance markers according to in-house PCR | Concordant results |
|---|---|---|---|
| Oxacillin resistancea |
mecA/C S. epidermidis (n = 3) |
mecA/C S. epidermidis (n = 3) |
3/3 |
| 3rd generation cephalosporin resistance |
blaCTX-M E. coli (n = 3) |
blaCTX-M E. coli (n = 3) |
3/3 |
| 3rd generation cephalosporin resistance | None E. coli (n = 1) |
blaCMY E. coli (n = 1)b |
NA |
| Overall concordance for on-panel resistance markers | 6/6 (100%) | ||
NA = Not applicable.
a
Cefoxitin screening well.
b
blaCMY was also detected by whole genome sequencing.